161676151 has 16 divisors (see below), whose sum is σ = 199309824. Its totient is φ = 127711584.

The previous prime is 161676133. The next prime is 161676181. The reversal of 161676151 is 151676161.

It is not a de Polignac number, because 161676151 - 2²¹ = 159578999 is a prime.

It is a super-2 number, since 2×161676151² = 52278355604349602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161676181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79716 + ... + 81718.

It is an arithmetic number, because the mean of its divisors is an integer number (12456864).

Almost surely, 2^161676151 is an apocalyptic number.

161676151 is a deficient number, since it is larger than the sum of its proper divisors (37633673).

161676151 is a wasteful number, since it uses less digits than its factorization.

161676151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910.

The product of its digits is 7560, while the sum is 34.

The square root of 161676151 is about 12715.1937067431. The cubic root of 161676151 is about 544.7726807785.

The spelling of 161676151 in words is "one hundred sixty-one million, six hundred seventy-six thousand, one hundred fifty-one".